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19-0629; Rev 1; 1/07 Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN General Description The MAX8840/MAX8841/MAX8842 ultra-low-noise, lowdropout (LDO) linear regulators are designed to deliver up to 150mA continuous output current. These regulators achieve a low 120mV dropout for 120mA load current. The MAX8840 uses an advanced architecture to achieve ultra-low output voltage noise of 11VRMS and PSRR of 54dB at 100kHz. The MAX8841 does not require a bypass capacitor, hence achieving the smallest PC board area. The MAX8842 output voltage can be adjusted with an external divider. The MAX8840/MAX8841 are preset to a variety of voltages in the 1.5V to 4.5V range. Designed with a p-channel MOSFET series pass transistor, the MAX8840/MAX8841/ MAX8842 maintain very low ground current (40A). The regulators are designed and optimized to work with low-value, low-cost ceramic capacitors. The MAX8840 requires only 1F (typ) of output capacitance for stability with any load. When disabled, current consumption drops to below 1A. The MAX8840/MAX8841/MAX8842 are available in a tiny 1.0mm x 1.5mm x 0.8mm DFN. Features Space-Saving 1.0mm x 1.5mm x 0.8mm DFN 11VRMS Output Noise at 100Hz to 100kHz Bandwidth (MAX8840) 78dB PSRR at 1kHz (MAX8840) 120mV Dropout at 120mA Load Stable with 1F Ceramic Capacitor for Any Load Guaranteed 150mA Output Only Need Input and Output Capacitors (MAX8841) Output Voltages: 1.5V, 1.8V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 3V, 3.3V, 4.5V (MAX8840/MAX8841) and Adjustable (MAX8842) Low 40A Ground Current Excellent Load/Line Transient Overcurrent and Thermal Protection MAX8840/MAX8841/MAX8842 Ordering Information PART* MAX8840ELTxy+T MAX8841ELTxy+T MAX8842ELT+T TEMP RANGE -40C to +85C -40C to +85C -40C to +85C PIN-PACKAGE 6 DFN-6 1.5mm x 1.0mm 6 DFN-6 1.5mm x 1.0mm 6 DFN-6 1.5mm x 1.0mm Applications Cellular and Cordless Phones PDA and Palmtop Computers Base Stations Bluetooth Portable Radios and Accessories Wireless LANs Digital Cameras Personal Stereos Portable and Battery-Powered Equipment *xy is the output voltage code (see the Output Voltage Selector Guide). Other versions between 1.5V and 4.5V are available in 100mV increments. Contact factory for other versions. +Denotes lead-free package. Output Voltage Selector Guide appears at end of data sheet. Typical Operating Circuits TOP VIEW INPUT 2V TO 6V CIN 1F ON OFF IN OUT OUTPUT PRESET 1.5V TO 4.5V CBP 10nF BP SHDN GND COUT 1F Pin Configuration IN 1 6 OUT MAX8840 GND 2 MAX8840 MAX8841 MAX8842 5 N.C. BP (MAX8840) 4 N.C. (MAX8841) FB (MAX8842) SHDN 3 Typical Operating Circuits continued at end of data sheet. DFN (1.5mm x 1.0mm) 1 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN MAX8840/MAX8841/MAX8842 ABSOLUTE MAXIMUM RATINGS IN to GND .................................................................-0.3V to +7V Output Short-Circuit Duration ............................................Infinite OUT, SHDN to GND ......................................-0.3V to (IN + 0.3V) FB, BP, N.C. to GND..................................-0.3V to (OUT + 0.3V) Continuous Power Dissipation (TA = +70C) 6-Pin DFN (derate 2.1mW/C above +70C) .............0.168W JA ..................................................................................477C/W Operating Temperature Range ...........................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (VIN = VOUT + 0.5V, TA = -40C to +85C, unless otherwise noted. CIN = 1F, COUT = 1F, CBP = 10nF. Typical values are at +25C; the MAX8842 is tested with 2.45V output, unless otherwise noted.) (Note 1) PARAMETER Input Voltage Range Output Voltage Accuracy Maximum Output Current Current Limit IOUT ILIM OUT = 90% of nominal value VOUT 3V, IOUT = 80mA VOUT 3V, IOUT = 120mA Dropout Voltage (Note 2) 2.5V VOUT < 3V, IOUT = 80mA 2.5V VOUT < 3V, IOUT = 120mA 2V VOUT < 2.5V, IOUT = 80mA 2V VOUT < 2.5V, IOUT = 120mA Ground Current Line Regulation Load Regulation Shutdown Supply Current IQ VLNR VLDR ISHDN IOUT = 0.05mA VIN = VOUT(nom) - 0.1V, IOUT = 0mA VIN = (VOUT + 0.5V) to 6V, IOUT = 0.1mA IOUT = 1mA to 80mA SHDN = 0V f = 1kHz, IOUT = 10mA Ripple Rejection PSRR f = 10kHz, IOUT = 10mA f = 100kHz, IOUT = 10mA TA = +25C TA = +85C MAX8840 MAX8841/MAX8842 MAX8840 MAX8841/MAX8842 MAX8840 MAX8841/ MAX8842 SYMBOL VIN IOUT = 1mA, TA = +25C IOUT = 100A to 80mA, TA = +25C IOUT = 100A to 80mA CONDITIONS MIN 2 -1 -2 -3 150 150 200 80 120 90 135 120 180 40 220 0.001 0.003 0.003 0.05 78 72 75 65 54 46 dB 1 90 500 A %/V %/mA A 250 200 mV 300 170 TYP MAX 6 +1 +2 +3 mA mA % UNITS V 2 _______________________________________________________________________________________ Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN ELECTRICAL CHARACTERISTICS (continued) (VIN = VOUT + 0.5V, TA = -40C to +85C, unless otherwise noted. CIN = 1F, COUT = 1F, CBP = 10nF. Typical values are at +25C; the MAX8842 is tested with 2.45V output, unless otherwise noted.) (Note 1) PARAMETER Output Noise Voltage (RMS) Shutdown Exit Delay SHDN Logic-Low Level SHDN Logic-High Level SHDN Input Bias Current FB Input Bias Current (MAX8842) Thermal Shutdown Thermal-Shutdown Hysteresis SYMBOL CONDITIONS f = 100Hz to 100kHz, ILOAD = 10mA f = 100Hz to 100kHz, ILOAD = 80mA RLOAD = 50 (Note 3) VIN = 2V to 6V VIN = 2V to 6V VIN = 6V, SHDN = 0V or 6V VIN = 6V, VFB = 1.3V TA = +25C TA = +85C TA = +25C TA = +85C 0.01 0.006 0.01 160 10 0.1 1.5 MAX8840 MAX8841/MAX8842 MAX8840 MAX8841/MAX8842 MIN TYP 11 230 13 230 300 0.4 s V V A A C C V MAX UNITS MAX8840/MAX8841/MAX8842 Note 1: Limits are 100% tested at +25C. Limits over operating temperature range are guaranteed by design. Note 2: Dropout is defined as VIN - VOUT when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V. Note 3: Time needed for VOUT to reach 90% of final value. Typical Operating Characteristics (VIN = VOUT + 0.5V, CIN = 1F, COUT = 1F, CBP = 10nF, TA = +25C, unless otherwise noted.) MAX8840 OUTPUT VOLTAGE ACCURACY vs. LOAD CURRENT MAX8840 toc01 MAX8840 toc02 MAX8840 OUTPUT VOLTAGE vs. INPUT VOLTAGE 3.5 3.0 IOUT = 0mA OUTPUT VOLTAGE (V) 2.5 2.0 1.5 IOUT = 150mA 1.0 0.5 0.0 0 1 2 3 4 5 6 INPUT VOLTAGE (V) 0.6 0.4 % DEVIATION (%) 0.2 0 -0.2 -0.4 -0.6 0 MAX8840 OUTPUT VOLTAGE ACCURACY vs. TEMPERATURE 0.8 0.6 % DEVIATION (%) 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1.0 IOUT = 1mA MAX8840 toc03 1.0 25 50 75 100 125 150 -40 -15 10 35 60 85 LOAD CURRENT (mA) TEMPERATURE (C) _______________________________________________________________________________________ 3 Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN MAX8840/MAX8841/MAX8842 Typical Operating Characteristics (continued) (VIN = VOUT + 0.5V, CIN = 1F, COUT = 1F, CBP = 10nF, TA = +25C, unless otherwise noted.) MAX8440 DROPOUT VOLTAGE vs. LOAD CURRENT MAX8840 toc04 MAX8840 DROPOUT VOLTAGE vs. OUTPUT VOLTAGE MAX8840 toc05 MAX8840 GROUND PIN CURRENT vs. INPUT VOLTAGE MAX8840 toc06 200 180 DROPOUT VOLTAGE (mV) 160 140 120 100 80 60 40 20 0 0 25 50 75 100 125 TA = -40C TA = +85C TA = +25C 250 IOUT = 80mA DROPOUT VOLTAGE (mV) 200 350 300 GROUND PIN CURRENT (A) 250 200 150 100 50 ILOAD = 0mA ILOAD = 150mA 150 100 50 0 150 2.0 2.2 2.4 2.6 2.8 3.0 3.2 INPUT VOLTAGE (V) OUTPUT (V) 0 0 1 2 3 4 5 INPUT VOLTAGE (V) MAX8840 GROUND PIN CURRENT vs. LOAD CURRENT MAX8840 toc 07 MAX8840 GROUND PIN CURRENT vs. TEMPERATURE MAX8840 toc08 MAX8840 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY 80 70 60 PSRR (dB) 50 40 30 MAX8840 toc09 350 300 GROUND PIN CURRENT (A) VIN = 5.5V 250 200 150 100 50 0 0 25 50 75 100 125 VIN = 3.8V 50 90 GROUND PIN CURRENT (A) 45 40 35 20 10 ILOAD = 10mA CBP = 10nF 0.01 0.1 1 10 100 1000 30 150 -40 -15 10 35 60 85 LOAD CURRENT (mA) TEMPERATURE (C) 0 FREQUENCY (kHz) MAX8841 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY MAX8840 toc10 MAX8840 OUTPUT NOISE MAX8840 toc11 MAX8840 OUTPUT NOISE-SPECTRAL DENSITY vs. FREQUENCY 10,000 OUTPUT NOISE DENSITY (nV/Hz) MAX8840 toc12 90 80 70 60 PSRR (dB) 50 VIN = 3.8V ILOAD = 10mA VNOISE = 11VRMS 1000 20V/div 40 30 20 10 0 0.01 0.1 1 10 100 1000 400s/div FREQUENCY (kHz) ILOAD = 10mA 100 10 0.01 0.1 1 10 100 1000 FREQUENCY (kHz) 4 _______________________________________________________________________________________ Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN Typical Operating Characteristics (continued) (VIN = VOUT + 0.5V, CIN = 1F, COUT = 1F, CBP = 10nF, TA = +25C, unless otherwise noted.) MAX8840 OUTPUT NOISE vs. BP CAPACITANCE MAX8840 toc13 MAX8840/MAX8841/MAX8842 MAX8840 LOAD-TRANSIENT RESPONSE MAX8840 toc14 MAX8840 LOAD-TRANSIENT RESPONSE NEAR DROPOUT MAX8840 toc15 25 20 OUTPUT NOISE (V) VIN = 3.5V ILOAD = 0 TO 50mA VIN = 3.1V ILOAD = 0 TO 50mA 15 10 VOUT 10mV/div 5 VOUT 10mV/div 0 1 10 BP CAPACITANCE (nF) 100 1ms/div 1ms/div MAX8840 LINE-TRANSIENT RESPONSE MAX8840 toc16 MAX8840 EXITING SHUTDOWN WAVEFORM MAX8840 toc17 MAX8840 ENTERING SHUTDOWN DELAY MAX8840 toc18 VIN = 3.5V TO 4V VOUT = 2.85V RLOAD = 47 CBP = 0.01F SHUTDOWN VOLTAGE SHUTDOWN VOLTAGE VOUT 2mV/div OUTPUT VOLTAGE 2V/div OUTPUT VOLTAGE 2V/div 200s/div 20s/div 40s/div MAX8840 SHUTDOWN EXIT DELAY MAX8840 toc19 MAX8840 REGION OF STABLE COUT ESR vs. LOAD CURRENT MAX8840 toc20 100 VOUT 1V/div COUT ESR () VOUT = 3V CBP = 100nF 10 1 SHUTDOWN VOLTAGE 0.1 0.01 20s/div 0 25 50 75 100 125 150 LOAD CURRENT (mA) _______________________________________________________________________________________ 5 Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN MAX8840/MAX8841/MAX8842 Pin Description PIN MAX8840 1 2 3 4 -- 5 6 MAX8841 1 2 3 -- -- 4, 5 6 MAX8842 1 2 3 -- 4 5 6 NAME IN GND SHDN BP FB N.C. OUT Unregulated Input Supply Ground Shutdown. Pull low to disable the regulator. Noise Bypass for Low-Noise Operation. Connect a 10nF capacitor from BP to OUT. It is shorted to OUT in shutdown mode. Adjustable Output Feedback Point No Connection. Not internally connected. Regulated Output Voltage. Bypass with a capacitor to GND. See the Capacitor Selection and Regulator Stability section. FUNCTION Detailed Description The MAX8840/MAX8841/MAX8842 are ultra-low-noise, low-dropout, low-quiescent current linear regulators designed for space-restricted applications. The parts are available with preset output voltages ranging from 1.5V to 4.5V. These devices can supply loads up to 150mA. As shown in the Functional Diagram, the MAX8840/MAX8841 consist of an innovative bandgap core and noise bypass circuit, error amplifier, p-channel pass transistor, and internal feedback voltagedivider. The MAX8842 allows for adjustable output with an external feedback network. The 1.225V bandgap reference is connected to the error amplifier's inverting input. The error amplifier compares this reference with the feedback voltage and amplifies the difference. If the feedback voltage is lower than the reference voltage, the pass-transistor gate is pulled low. This allows more current to pass to the output and increases the output voltage. If the feedback voltage is too high, the pass transistor gate is pulled high, allowing less current to pass to the output. The output voltage is fed back through an internal resistor voltage-divider connected to the OUT pin. An external bypass capacitor connected to BP (MAX8840) reduces noise at the output. Additional blocks include a current limiter, thermal sensor, and shutdown logic. reduces quiescent current. pnp-based regulators waste considerable current in dropout when the pass transistor saturates. They also use high base-drive current under heavy loads. The MAX8840/MAX8841/MAX8842 do not suffer from these problems and consume only 40A of quiescent current in light load and 220A in dropout (see the Typical Operating Characteristics). Output Voltage Selection The MAX8840/MAX8841 are supplied with factory-set output voltages from 1.5V to 4.5V, in 100mV increments (see the Ordering Information). The MAX8842 features a user-adjustable output through an external feedback network (see the Typical Operating Circuits). To set the output of the MAX8842, use the following equation: VOUT R1 = R2 X - 1 VREF where R2 is chosen to be less than 240k and VREF = 1.225V. Use 1% or better resistors. Shutdown The MAX8840/MAX8841/MAX8842 feature a low-power shutdown mode that reduces quiescent current less than 1A. Driving SHDN low disables the voltage reference, error amplifier, gate-drive circuitry, and pass transistor (see the Functional Diagram), and the device output enters a high-impedance state. Connect SHDN to IN for normal operation. Internal p-Channel Pass Transistor The MAX8840/MAX8841/MAX8842 feature a 1 (typ) p-channel MOSFET pass transistor. This provides several advantages over similar designs using a pnp pass transistor, including longer battery life. The p-channel MOSFET requires no base drive, which considerably 6 Current Limit The MAX8840/MAX8841/MAX8842 include a current limiter, which monitors and controls the pass transistor's gate voltage, limiting the output current to 200mA. _______________________________________________________________________________________ Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN For design purposes, consider the current limit to be 150mA (min) to 300mA (max). The output can be shorted to ground for an indefinite amount of time without damaging the part. Applications Information Capacitor Selection and Regulator Stability Use a 1F capacitor on the MAX8840/MAX8841/ MAX8842 input and a 1F capacitor on the output. Larger input capacitor values and lower ESRs provide better noise rejection and line-transient response. Reduce output noise and improve load-transient response, stability, and power-supply rejection by using large output capacitors. Note that some ceramic dielectrics exhibit large capacitance and ESR variation with temperature. With dielectrics such as Z5U and Y5V, it may be necessary to use a 2.2F or larger output capacitor to ensure stability at temperatures below -10C. With X7R or X5R dielectrics, 1F is sufficient at all operating temperatures. A graph of the Region of Stable COUT ESR vs. Load Current is shown in the Typical Operating Characteristics. Use a 0.01F bypass capacitor at BP (MAX8840) for low-output voltage noise. The leakage current going into the BP pin should be less than 10nA. Increasing the capacitance slightly decreases the output noise. Values above 0.1F and below 0.001F are not recommended. MAX8840/MAX8841/MAX8842 Thermal-Overload Protection Thermal-overload protection limits total power dissipation in the MAX8840/MAX8841/MAX8842. When the junction temperature exceeds TJ = +160C, the thermal sensor signals the shutdown logic, turning off the pass transistor and allowing the IC to cool down. The thermal sensor turns the pass transistor on again after the IC's junction temperature drops by 10C, resulting in a pulsed output during continuous thermal-overload conditions. Thermal-overload protection is designed to protect the MAX8840/MAX8841/MAX8842 in the event of a fault condition. For continual operation, do not exceed the absolute maximum junction temperature rating of TJ = +150C. Operating Region and Power Dissipation The MAX8840/MAX8841/MAX8842 maximum power dissipation depends on the thermal resistance of the case and circuit board, the temperature difference between the die junction and ambient, and the rate of airflow. The power dissipation across the device is: P = IOUT (VIN - VOUT) The maximum power dissipation is: PMAX = (TJ - TA) / (JC + CA) where TJ - TA is the temperature difference between the MAX8840/MAX8841/MAX8842 die junction and the surrounding air, JC is the thermal resistance of the package, and CA is the thermal resistance through the PC board, copper traces, and other materials to the surrounding air. The GND pin of the MAX8840/MAX8841/MAX8842 performs the dual function of providing an electrical connection to ground and channeling heat away. Connect the GND pin to ground using a large pad or ground plane. Noise, PSRR, and Transient Response The MAX8840/MAX8841/MAX8842 are designed to deliver ultra-low noise and high PSRR, as well as low dropout and low quiescent currents in battery-powered systems. The MAX8840 power-supply rejection is 78dB at 1kHz and 54dB at 100kHz. The MAX8841/MAX8842 PSRR is 72dB at 1kHz and 46dB at 100kHz (see the Power-Supply Rejection Ratio vs. Frequency graph in the Typical Operating Characteristics). When operating from sources other than batteries, improved supply-noise rejection and transient response can be achieved by increasing the values of the input and output bypass capacitors, and through passive filtering techniques. The Typical Operating Characteristics show the MAX8840/MAX8841/MAX8842 line- and loadtransient responses. Noise Reduction For the MAX8840, an external 0.01F bypass capacitor between BP and OUT with an innovative noise bypass scheme reduces output noises dramatically, exhibiting 11VRMS of output voltage noise with C BP = 0.01F and COUT = 1F. Startup time is minimized by a poweron circuit that precharges the bypass capacitor. Dropout Voltage A regulator's minimum dropout voltage determines the lowest usable supply voltage. In battery-powered systems, this determines the useful end-of-life battery voltage. Because the MAX8840/MAX8841/MAX8842 use a p-channel MOSFET pass transistor, their dropout voltage is a function of drain-to-source on-resistance (RDS(ON)) multiplied by the load current (see the Typical Operating Characteristics). _______________________________________________________________________________________ 7 Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN MAX8840/MAX8841/MAX8842 Functional Diagram IN SHDN SHUTDOWN AND POWER-ON CONTROL ERROR AMP MOS DRIVER WITH ILIMIT MAX8840 MAX8841 MAX8842 P OUT ** THERMAL SENSOR 1.225V REFERENCE AND NOISE BYPASS ** FB*** GND *MAX8840 ONLY **MAX8840/MAX8841 ONLY ***MAX8842 ONLY BP* 8 _______________________________________________________________________________________ Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN Typical Operating Circuits (continued) INPUT 2V TO 6V CIN 1F ON OFF OUTPUT PRESET 1.5V TO 4.5V Output Voltage Selector Guide PART MAX8840ELT16+T MAX8840ELT18+T MAX8840ELT19+T MAX8840ELT25+T MAX8840ELT26+T VOUT (V) 1.6 1.8 1.9 2.5 2.6 2.7 2.8 2.85 3 3.1 3.3 1.5 1.8 2.5 2.6 2.8 2.85 2.9 3.1 3.3 4.5 Adjustable TOPMARK MN MO LX MP MK LU LV LW LZ ML MM MQ MR MS MT MU MV MW MX MY MZ NA MAX8840/MAX8841/MAX8842 IN OUT MAX8841 SHDN COUT 1F GND MAX8840ELT27+T MAX8840ELT28+T MAX8840ELT29+T MAX8840ELT30+T MAX8840ELT31+T MAX8840ELT33+T MAX8841ELT15+T INPUT 2V TO 6V CIN 1F ON OFF IN OUT OUTPUT ADJUSTABLE 1.5V TO 4.5V MAX8841ELT18+T MAX8841ELT25+T MAX8841ELT26+T MAX8841ELT28+T MAX8842 SHDN FB R1 COUT 1F R2 MAX8841ELT29+T MAX8841ELT89+T MAX8841ELT31+T MAX8841ELT33+T MAX8841ELT45+T MAX8842ELT+T GND (Note: Standard output voltage options, shown in bold, are available. Contact the factory for other output voltages between 1.5V and 4.5V. Minimum order quantity is 15,000 units.) Chip Information TRANSISTOR COUNT: 284 PROCESS: BiCMOS Pages changed at Rev 1: 1 Revision History _______________________________________________________________________________________ 9 Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in DFN MAX8840/MAX8841/MAX8842 Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) 6L UDFN.EPS TABLE 1 Translation Table for Calendar Year Code Calendar Year 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Legend: Marked with bar Blank space - no bar required TABLE 2 Translation Table for Payweek Binary Coding Payweek 06-11 12-17 18-23 24-29 30-35 36-41 42-47 48-51 52-05 Legend: Marked with bar Blank space - no bar required TITLE: PACKAGE OUTLINE, 6L uDFN, 1.5x1.0x0.8mm APPROVAL DOCUMENT CONTROL NO. REV. -DRAWING NOT TO SCALE- 21-0147 D 2 2 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2007 Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc. |
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